Special issue Ergonomics of human-system interaction. Ergonomics of human-system interaction and its standardization. Usability and dialogue principles.
4) ISO/TC159/SC4/WG5: Ergonomic requirements for office work with visual display terminals (VDTs). Part 10: Dialogue Principles, ISO/TC159/SC4/WG5, N228 (2nd CD), 1992.
5) ISO/TC159/SC4/WG5: Ergonomic requirements for office work with visual display terminals (VDTs). Part 11: Guidance on specifying and measuring usability, ISO/TC159/SC4/WG5, CD9241-11.3, 1993.